Hydrogels are three-dimensional polymer networks that are hydrophilic and capable of
retaining a large amount of water. Hydrogels also can act as vehicles for the controlled …

In agriculture, there are problems such as the high porosity of soils, high irrigation of water
and low fertilizer retention. Therefore, materials with the ability to absorb a high amount of …

Agriculture is an important sector of the economy, but this industry consumes significant
amounts of water, which is a precious and limited natural resource. Irrigation techniques and …

Chitosan has been termed as the most well-known among biopolymers, receiving
widespread attention from researchers in various fields mainly, agriculture, food, and health …

The paper reports new soil conditioner systems obtained by in situ hydrogelation of chitosan
with salicylaldehyde in the presence of urea fertilizer, designed to address both fertilization …

Superabsorbent hydrogels (SAH's) refer to hydrophilic polymer networks (organic or
inorganic), that can absorb and retain huge amounts of water in their three-dimensional …

Controlled release fertilizer (CRF) hydrogels have blossomed into promising materials in
agriculture owing to the sustained release of the fertilizer and also as soil conditioner. Apart …

Over the last 20 years, polysaccharide-based materials have garnered attention in the
enhanced efficiency fertilizers (EEFs) research. Biodegradability, non-toxicity, water …

Different oxidized chitosans were prepared following various approaches, by thermo-acid
oxidation or by using KMnO 4/NaHSO 3,(NH 4) 2 S 2 O 8/NaHSO 3 and K 2 Cr 2 O 7/NaHSO …

Hydrogel is widely used in agriculture as water retention agent and fertilizer delivery vehicle
due to its highly porous and hydrated structure. Hydrogel loses water gradually and …